package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Param;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.util.DigestUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;
    /*
    * 员工登录
    * @param request
    * */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        if(emp == null){
            return R.error("登陆失败");
        }
        //比对密码
        if(!emp.getPassword().equals(password)){
            return R.error("登陆失败");
        }
        if (emp.getStatus() == 0){
            return R.error("账号已禁用");
        }
        //登陆成功，讲员工id存入Session并返回登陆成功
        request.getSession().setAttribute("employee",emp.getId());
        return  R.success(emp);

    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        //清理Session中保存的当前登陆员工的id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }
    /*新增员工*/
    @PostMapping
    public  R<String> save(@RequestBody Employee employee,HttpServletRequest request){
        log.info("新增员工，员工信息{}",employee.toString());
        //设置初始密码123456，需要进行md5的加密处理

        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());

        //获得当前登陆用户的id
        Long empId = (Long)request.getSession().getAttribute("employee");

//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);
        employeeService.save(employee);
        return R.success("新增员工成功");
    }
    /*
    * 员工信息查询
    * */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        log.info("prage = {},PageSize = {},name= {}",page,pageSize,name);

        //构造分页构造器
        Page pageInfo = new Page(page,pageSize);

        //条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(name != null,Employee::getName,name);
        //添加排序条件
        //执行查询
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        employeeService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);
    }

    /**
     * 根据id修改员工账号状态
     * @param employee
     * @param request
     * @return
     */
    @PutMapping
    public R<String> changeStatus(
            @RequestBody Employee employee,HttpServletRequest request){
        log.info(employee.toString());
        Long empId = (Long)request.getSession().getAttribute("employee");
        //employee.setUpdateTime(LocalDateTime.now());
        //employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return  R.success("员工信息修改成功");

    }

    /**
     * 编辑某一行
     * @param empId
     * @return
     */
    @GetMapping("/{empId}")
    public  R<Employee> editEmpById(@PathVariable("empId") Long empId){
        log.info("修改指定员工的方法进来了员工id是{}",empId);
        Employee employee = employeeService.getById(empId);
        if (employee!=null)return R.success(employee);
        return R.error("没有查询到对应员工信息");
    }




}
